Home / 10,020.32-15,031.34-2,624.78

Finding the Fourth Proportional to 10,020.32, 15,031.34 and 2,624.78

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Solution

The fourth proportional to 10,020.32, 15,031.34 and 2,624.78 is: 3,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.32 : 15,031.34 = 2,624.78 : x
  2. Step 2: Convert to fraction form
    10,020.32/15,031.34 = 2,624.78/x
  3. Step 3: Cross multiply
    10,020.32x = 15,031.34 × 2,624.78
  4. Step 4: Simplify right side
    10,020.32x = 39,453,900.29
  5. Step 5: Solve for x
    x = 39,453,900.29/10,020.32
  6. Step 6: Final answer
    x = 3,937.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.